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ADP3157 датащи(PDF) 2 Page - Analog Devices |
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ADP3157 датащи(HTML) 2 Page - Analog Devices |
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2 / 12 page ![]() REV. A –2– ADP3157–SPECIFICATIONS (0 C ≤T A ≤ +70 C, V CC = 12 V, VIN = 5 V, unless otherwise noted) 1 Parameter Symbol Conditions Min Typ Max Units OUTPUT ACCURACY 1.3 V Output Voltage VO (Figure 13) 1.283 1.3 1.317 V 2.0 V Output Voltage 1.980 2.0 2.020 V 3.5 V Output Voltage 3.465 3.5 3.535 V OUTPUT VOLTAGE LINE ∆V O ILOAD = 10 A (Figure 2) REGULATION VIN = 4.75 V to 5.25 V 0.05 % INPUT DC SUPPLY CURRENT 2 Normal Mode IQ VSD = 0.6 V 4.1 5.5 mA Shutdown TA = +25°C, VID Pins Floating 140 250 µA CURRENT SENSE THRESHOLD VOLTAGE VSENSE(TH) VSENSE– Forced to VOUT – 3% 125 145 165 mV VID0–VID4 THRESHOLD VID(TH) Low 0.6 V High 2.0 V VID0–VID4 INPUT CURRENT IVID VID = 0 V 110 220 µA VID0–VID4 PULL-UP RESISTANCE RVID 20 30 k Ω CT PIN DISCHARGE CURRENT I12 TA = +25°C VOUT in Regulation 65 µA VOUT = 0 V 2 10 µA OFF-TIME tOFF CT = 150 pF 1.8 2.45 3.2 µs DRIVER OUTPUT TRANSITION tR, tF CL = 7000 pF (Drive 1, 2) TIME TA = +25°C 120 200 ns POSITIVE POWER GOOD TRIP POINT 3 VPWRGD % Above Output Voltage 5 8 % NEGATIVE POWER GOOD TRIP POINT3 VPWRGD % Below Output Voltage –8 –5 % POWER GOOD RESPONSE TIME tPWRGD 500 µs CROWBAR TRIP POINT VCROWBAR % Above Output Voltage 9 15 24 % ERROR AMPLIFIER OUTPUT IMPEDANCE ROERR 275 k Ω ERROR AMPLIFIER TRANSCONDUCTANCE gm(ERR) 2.2 mmho ERROR AMPLIFIER MINIMUM OUTPUT VOLTAGE VCMPMIN VSENSE+ Forced to VOUT + 3% 0.8 V ERROR AMPLIFIER MAXIMUM OUTPUT VOLTAGE VCMPMAX VSENSE+ Forced to VOUT – 3% 2.4 V ERROR AMPLIFIER BANDWIDTH –3 dB BWERR CMP = Open 500 kHz SHUTDOWN (SD) PIN Low Threshold SDL Part Active 0.6 V High Threshold SDH Part in Shutdown 2.0 V Input Current SDIC 10 µA NOTES 1All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. 2Dynamic supply current is higher due to the gate change being delivered to the external MOSFETs. 3The trip point is for the output voltage coming into regulation. Specifications subject to change without notice. |
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